98759720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{653}}^1$

素因数の和:882

約数の個数: 64

約数和(自身を含む): 235440000

約数和(自身を除く): 136680280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 199, 380, 398, 653, 760, 796, 995, 1306, 1592, 1990, 2612, 3265, 3781, 3980, 5224, 6530, 7562, 7960, 12407, 13060, 15124, 18905, 24814, 26120, 30248, 37810, 49628, 62035, 75620, 99256, 124070, 129947, 151240, 248140, 259894, 496280, 519788, 649735, 1039576, 1299470, 2468993, 2598940, 4937986, 5197880, 9875972, 12344965, 19751944, 24689930, 49379860, 98759720]

約数ペア:

[(1, 98759720), (2, 49379860), (4, 24689930), (5, 19751944), (8, 12344965), (10, 9875972), (19, 5197880), (20, 4937986), (38, 2598940), (40, 2468993), (76, 1299470), (95, 1039576), (152, 649735), (190, 519788), (199, 496280), (380, 259894), (398, 248140), (653, 151240), (760, 129947), (796, 124070), (995, 99256), (1306, 75620), (1592, 62035), (1990, 49628), (2612, 37810), (3265, 30248), (3781, 26120), (3980, 24814), (5224, 18905), (6530, 15124), (7562, 13060), (7960, 12407)]